//
// "$Id: print_panel.cxx 9158 2011-10-29 14:50:04Z manolo $"
//
// Print panel for the Fast Light Tool Kit (FLTK).
//
// Copyright 1998-2010 by Bill Spitzak and others.
//
// This library is free software. Distribution and use rights are outlined in
// the file "COPYING" which should have been included with this file.  If this
// file is missing or damaged, see the license at:
//
//     http://www.fltk.org/COPYING.php
//
// Please report all bugs and problems on the following page:
//
//     http://www.fltk.org/str.php
//

//
// This file is "work in progress".  The main parts have been copied
// from fluid's print_panel{.fl|.h|.cxx} and hand-edited to produce
// a working version w/o global variables.  The intention is to move
// all static variables into an own class, and to name this class
// Fl_Printer_Chooser or similar...
//
// Todo:
//
//   -	Currently preferences can't be saved, and there are options that
//	are not yet used for printing.
//   -	This file can only be used as an include file in Fl_PS_Printer.cxx
//   -	The use of static variables should be avoided.
//   -	Probably much more ...
//

#include "print_panel.h"
#include <stdio.h>
#include <stdlib.h>
#include "src/flstring.h"
#include "Fl_Preferences.H"
#include "Fl_Int_Input.H"

static Fl_Preferences print_prefs(Fl_Preferences::USER, "fltk.org", "printers");
static Fl_Double_Window *print_panel=(Fl_Double_Window *)0;
static Fl_Group *print_panel_controls=(Fl_Group *)0;
static Fl_Choice *print_choice=(Fl_Choice *)0;
static Fl_Button *print_properties=(Fl_Button *)0;
static Fl_Box *print_status=(Fl_Box *)0;
static Fl_Round_Button *print_all=(Fl_Round_Button *)0;
static Fl_Round_Button *print_pages=(Fl_Round_Button *)0;
static Fl_Round_Button *print_selection=(Fl_Round_Button *)0;
static Fl_Check_Button *print_collate_button=(Fl_Check_Button *)0;
static Fl_Group *print_collate_group[2]= {(Fl_Group *)0};
static Fl_Progress *print_progress=(Fl_Progress *)0;
static Fl_Double_Window *print_properties_panel=(Fl_Double_Window *)0;
static Fl_Choice *print_page_size=(Fl_Choice *)0;
static Fl_Int_Input *print_from=(Fl_Int_Input *)0;
static Fl_Int_Input *print_to=(Fl_Int_Input *)0;
static Fl_Spinner *print_copies=(Fl_Spinner *)0;

static int print_start = 0;	// 1 if print_okay has been clicked

static void cb_print_choice(Fl_Choice*, void*)
{
	print_update_status();
}

static void cb_print_properties(Fl_Button*, void*)
{
	print_properties_panel->show();
}

static void cb_print_all(Fl_Round_Button*, void*)
{
	print_from->deactivate();
	print_to->deactivate();
}

static void cb_print_pages(Fl_Round_Button*, void*)
{
	print_from->activate();
	print_to->activate();
}

static void cb_print_selection(Fl_Round_Button*, void*)
{
	print_from->deactivate();
	print_to->deactivate();
}

static void cb_print_copies(Fl_Spinner*, void*)
{
	if (print_copies->value() == 1) {
		print_collate_button->deactivate();
		print_collate_group[0]->deactivate();
		print_collate_group[1]->deactivate();
	} else {
		/*    print_collate_button->activate(); // TODO: manage collate options
		    print_collate_group[0]->activate();
		    print_collate_group[1]->activate(); */
	};
}

static void cb_print_collate_button(Fl_Check_Button*, void*)
{
	int i = print_collate_button->value() != 0;
	print_collate_group[i]->show();
	print_collate_group[1 - i]->hide();
}

static void cb_Cancel(Fl_Button*, void*)
{
	print_start = 0;
	print_panel->hide();
}

static void cb_print_properties_panel(Fl_Double_Window*, void*)
{
	print_properties_panel->hide();
	print_update_status();
}

static const Fl_Menu_Item menu_print_page_size[] = {
	{"Letter", 0,  0, 0, 0, FL_NORMAL_LABEL, 0, 14, 0},
	{"A4", 0,  0, 0, 0, FL_NORMAL_LABEL, 0, 14, 0},
	{"Legal", 0,  0, 0, 0, FL_NORMAL_LABEL, 0, 14, 0},
	{"Executive", 0,  0, 0, 0, FL_NORMAL_LABEL, 0, 14, 0},
	{"A3", 0,  0, 0, 0, FL_NORMAL_LABEL, 0, 14, 0},
	{"A5", 0,  0, 0, 0, FL_NORMAL_LABEL, 0, 14, 0},
	{"B5", 0,  0, 0, 0, FL_NORMAL_LABEL, 0, 14, 0},
	{"Com10", 0,  0, 0, 0, FL_NORMAL_LABEL, 0, 14, 0},
	{"DL", 0,  0, 0, 0, FL_NORMAL_LABEL, 0, 14, 0},
	{0,0,0,0,0,0,0,0,0}
};

#include "Fl_Pixmap.H"
#include "Fl_Printer.H"
static const char * const idata_print_color[] = {
	"24 24 17 1",
	" \tc None",
	".\tc #FFFF00",
	"+\tc #C8FF00",
	"@\tc #00FF00",
	"#\tc #FFC800",
	"$\tc #FF0000",
	"%\tc #00FFFF",
	"&\tc #000000",
	"*\tc #FF00FF",
	"=\tc #00FFC8",
	"-\tc #FF00C8",
	";\tc #00C800",
	">\tc #C80000",
	",\tc #0000C8",
	"\'\tc #0000FF",
	")\tc #00C8FF",
	"!\tc #C800FF",
	"         ......         ",
	"       ..........       ",
	"      ............      ",
	"     ..............     ",
	"     ..............     ",
	"    ................    ",
	"    ................    ",
	"    ................    ",
	"    +@@@@@@+#$$$$$$#    ",
	"   %@@@@@@@&&$$$$$$$*   ",
	"  %%@@@@@@&&&&$$$$$$**  ",
	" %%%=@@@@&&&&&&$$$$-*** ",
	" %%%%@@@;&&&&&&>$$$**** ",
	"%%%%%%@@&&&&&&&&$$******",
	"%%%%%%%@&&&&&&&&$*******",
	"%%%%%%%%,&&&&&&,********",
	"%%%%%%%%\'\'\'\'\'\'\'\'********",
	"%%%%%%%%\'\'\'\'\'\'\'\'********",
	"%%%%%%%%\'\'\'\'\'\'\'\'********",
	" %%%%%%%)\'\'\'\'\'\'!******* ",
	" %%%%%%%%\'\'\'\'\'\'******** ",
	"  %%%%%%%%\'\'\'\'********  ",
	"   %%%%%%%%\'\'********   ",
	"     %%%%%%  ******     "
};
static Fl_Pixmap image_print_color(idata_print_color);

static const char * const idata_print_gray[] = {
	"24 24 17 1",
	" \tc None",
	".\tc #E3E3E3",
	"+\tc #D2D2D2",
	"@\tc #969696",
	"#\tc #C2C2C2",
	"$\tc #4C4C4C",
	"%\tc #B2B2B2",
	"&\tc #000000",
	"*\tc #696969",
	"=\tc #ACACAC",
	"-\tc #626262",
	";\tc #767676",
	">\tc #3C3C3C",
	",\tc #161616",
	"\'\tc #1C1C1C",
	")\tc #929292",
	"!\tc #585858",
	"         ......         ",
	"       ..........       ",
	"      ............      ",
	"     ..............     ",
	"     ..............     ",
	"    ................    ",
	"    ................    ",
	"    ................    ",
	"    +@@@@@@+#$$$$$$#    ",
	"   %@@@@@@@&&$$$$$$$*   ",
	"  %%@@@@@@&&&&$$$$$$**  ",
	" %%%=@@@@&&&&&&$$$$-*** ",
	" %%%%@@@;&&&&&&>$$$**** ",
	"%%%%%%@@&&&&&&&&$$******",
	"%%%%%%%@&&&&&&&&$*******",
	"%%%%%%%%,&&&&&&,********",
	"%%%%%%%%\'\'\'\'\'\'\'\'********",
	"%%%%%%%%\'\'\'\'\'\'\'\'********",
	"%%%%%%%%\'\'\'\'\'\'\'\'********",
	" %%%%%%%)\'\'\'\'\'\'!******* ",
	" %%%%%%%%\'\'\'\'\'\'******** ",
	"  %%%%%%%%\'\'\'\'********  ",
	"   %%%%%%%%\'\'********   ",
	"     %%%%%%  ******     "
};
static Fl_Pixmap image_print_gray(idata_print_gray);

static Fl_Button *print_output_mode[4]= {(Fl_Button *)0};

static void cb_Save(Fl_Return_Button*, void*)
{
	print_properties_panel->hide();

	char name[1024];
	int val;
	const char *printer = (const char *)print_choice->menu()[print_choice->value()].user_data();

	snprintf(name, sizeof(name), "%s/page_size", printer == NULL ? "" : printer);
	print_prefs.set(name, print_page_size->value());

	snprintf(name, sizeof(name), "%s/output_mode", printer == NULL ? "" : printer);
	for (val = 0; val < 4; val ++) {
		if (print_output_mode[val]->value()) break;
	}
	print_prefs.set(name, val);
}

static void cb_Cancel1(Fl_Button*, void*)
{
	print_properties_panel->hide();
	print_update_status();
}

static void cb_Use(Fl_Button*, void*)
{
	print_properties_panel->hide();
}

Fl_Double_Window* make_print_panel()
{
	{
		print_panel = new Fl_Double_Window(465, 235, Fl_Printer::dialog_title);
		{
			print_panel_controls = new Fl_Group(10, 10, 447, 216);
			{
				print_choice = new Fl_Choice(133, 10, 181, 25, Fl_Printer::dialog_printer);
				print_choice->down_box(FL_BORDER_BOX);
				print_choice->labelfont(1);
				print_choice->callback((Fl_Callback*)cb_print_choice);
				print_choice->when(FL_WHEN_CHANGED);
			} // Fl_Choice* print_choice
			{
				print_properties = new Fl_Button(314, 10, 115, 25, Fl_Printer::dialog_properties);
				print_properties->callback((Fl_Callback*)cb_print_properties);
			} // Fl_Button* print_properties
			{
				print_status = new Fl_Box(0, 41, print_panel_controls->w(), 17, "printer/job status");
				print_status->align(Fl_Align(FL_ALIGN_CLIP|FL_ALIGN_INSIDE|FL_ALIGN_LEFT));
			} // Fl_Box* print_status
			{
				Fl_Group* o = new Fl_Group(10, 86, 227, 105, Fl_Printer::dialog_range);
				o->box(FL_THIN_DOWN_BOX);
				o->labelfont(1);
				o->align(Fl_Align(FL_ALIGN_TOP_LEFT));
				{
					print_all = new Fl_Round_Button(20, 96, 38, 25, Fl_Printer::dialog_all);
					print_all->type(102);
					print_all->down_box(FL_ROUND_DOWN_BOX);
					print_all->value(1);
					print_all->callback((Fl_Callback*)cb_print_all);
				} // Fl_Round_Button* print_all
				{
					print_pages = new Fl_Round_Button(20, 126, 64, 25, Fl_Printer::dialog_pages);
					print_pages->type(102);
					print_pages->down_box(FL_ROUND_DOWN_BOX);
					print_pages->callback((Fl_Callback*)cb_print_pages);
				} // Fl_Round_Button* print_pages
				{
					print_selection = new Fl_Round_Button(20, 156, 82, 25, "Selection");
					print_selection->type(102);
					print_selection->down_box(FL_ROUND_DOWN_BOX);
					print_selection->callback((Fl_Callback*)cb_print_selection);
				} // Fl_Round_Button* print_selection
				{
					print_from = new Fl_Int_Input(136, 126, 28, 25, Fl_Printer::dialog_from);
					print_from->type(2);
					print_from->textfont(4);
					print_from->deactivate();
				} // Fl_Int_Input* print_from
				{
					print_to = new Fl_Int_Input(199, 126, 28, 25, Fl_Printer::dialog_to);
					print_to->type(2);
					print_to->textfont(4);
					print_to->deactivate();
				} // Fl_Int_Input* print_to
				o->end();
			} // Fl_Group* o
			{
				Fl_Group* o = new Fl_Group(247, 86, 210, 105, Fl_Printer::dialog_copies);
				o->box(FL_THIN_DOWN_BOX);
				o->labelfont(1);
				o->align(Fl_Align(FL_ALIGN_TOP_LEFT));
				{
					print_copies = new Fl_Spinner(321, 96, 45, 25, Fl_Printer::dialog_copyNo);
					print_copies->callback((Fl_Callback*)cb_print_copies);
					print_copies->when(FL_WHEN_CHANGED);
				} // Fl_Spinner* print_copies
				{
					print_collate_button = new Fl_Check_Button(376, 96, 64, 25, "Collate");
					print_collate_button->down_box(FL_DOWN_BOX);
					print_collate_button->callback((Fl_Callback*)cb_print_collate_button);
					print_collate_button->when(FL_WHEN_CHANGED);
					print_collate_button->deactivate();
				} // Fl_Check_Button* print_collate_button
				{
					print_collate_group[0] = new Fl_Group(257, 131, 191, 50);
					print_collate_group[0]->deactivate();
					{
						Fl_Box* o = new Fl_Box(287, 141, 30, 40, "1");
						o->box(FL_BORDER_BOX);
						o->color(FL_BACKGROUND2_COLOR);
						o->labelsize(11);
						o->align(Fl_Align(FL_ALIGN_BOTTOM_RIGHT|FL_ALIGN_INSIDE));
						o->deactivate();
					} // Fl_Box* o
					{
						Fl_Box* o = new Fl_Box(272, 136, 30, 40, "1");
						o->box(FL_BORDER_BOX);
						o->color(FL_BACKGROUND2_COLOR);
						o->labelsize(11);
						o->align(Fl_Align(FL_ALIGN_BOTTOM_RIGHT|FL_ALIGN_INSIDE));
						o->deactivate();
					} // Fl_Box* o
					{
						Fl_Box* o = new Fl_Box(257, 131, 30, 40, "1");
						o->box(FL_BORDER_BOX);
						o->color(FL_BACKGROUND2_COLOR);
						o->labelsize(11);
						o->align(Fl_Align(FL_ALIGN_BOTTOM_RIGHT|FL_ALIGN_INSIDE));
						o->deactivate();
					} // Fl_Box* o
					{
						Fl_Box* o = new Fl_Box(352, 141, 30, 40, "2");
						o->box(FL_BORDER_BOX);
						o->color(FL_BACKGROUND2_COLOR);
						o->labelsize(11);
						o->align(Fl_Align(FL_ALIGN_BOTTOM_RIGHT|FL_ALIGN_INSIDE));
						o->deactivate();
					} // Fl_Box* o
					{
						Fl_Box* o = new Fl_Box(337, 136, 30, 40, "2");
						o->box(FL_BORDER_BOX);
						o->color(FL_BACKGROUND2_COLOR);
						o->labelsize(11);
						o->align(Fl_Align(FL_ALIGN_BOTTOM_RIGHT|FL_ALIGN_INSIDE));
						o->deactivate();
					} // Fl_Box* o
					{
						Fl_Box* o = new Fl_Box(322, 131, 30, 40, "2");
						o->box(FL_BORDER_BOX);
						o->color(FL_BACKGROUND2_COLOR);
						o->labelsize(11);
						o->align(Fl_Align(FL_ALIGN_BOTTOM_RIGHT|FL_ALIGN_INSIDE));
						o->deactivate();
					} // Fl_Box* o
					{
						Fl_Box* o = new Fl_Box(417, 141, 30, 40, "3");
						o->box(FL_BORDER_BOX);
						o->color(FL_BACKGROUND2_COLOR);
						o->labelsize(11);
						o->align(Fl_Align(FL_ALIGN_BOTTOM_RIGHT|FL_ALIGN_INSIDE));
						o->deactivate();
					} // Fl_Box* o
					{
						Fl_Box* o = new Fl_Box(402, 136, 30, 40, "3");
						o->box(FL_BORDER_BOX);
						o->color(FL_BACKGROUND2_COLOR);
						o->labelsize(11);
						o->align(Fl_Align(FL_ALIGN_BOTTOM_RIGHT|FL_ALIGN_INSIDE));
						o->deactivate();
					} // Fl_Box* o
					{
						Fl_Box* o = new Fl_Box(387, 131, 30, 40, "3");
						o->box(FL_BORDER_BOX);
						o->color(FL_BACKGROUND2_COLOR);
						o->labelsize(11);
						o->align(Fl_Align(FL_ALIGN_BOTTOM_RIGHT|FL_ALIGN_INSIDE));
						o->deactivate();
					} // Fl_Box* o
					print_collate_group[0]->end();
				} // Fl_Group* print_collate_group[0]
				{
					print_collate_group[1] = new Fl_Group(257, 131, 191, 50);
					print_collate_group[1]->hide();
					print_collate_group[1]->deactivate();
					{
						Fl_Box* o = new Fl_Box(287, 141, 30, 40, "3");
						o->box(FL_BORDER_BOX);
						o->color(FL_BACKGROUND2_COLOR);
						o->labelsize(11);
						o->align(Fl_Align(FL_ALIGN_BOTTOM_RIGHT|FL_ALIGN_INSIDE));
					} // Fl_Box* o
					{
						Fl_Box* o = new Fl_Box(272, 136, 30, 40, "2");
						o->box(FL_BORDER_BOX);
						o->color(FL_BACKGROUND2_COLOR);
						o->labelsize(11);
						o->align(Fl_Align(FL_ALIGN_BOTTOM_RIGHT|FL_ALIGN_INSIDE));
					} // Fl_Box* o
					{
						Fl_Box* o = new Fl_Box(257, 131, 30, 40, "1");
						o->box(FL_BORDER_BOX);
						o->color(FL_BACKGROUND2_COLOR);
						o->labelsize(11);
						o->align(Fl_Align(FL_ALIGN_BOTTOM_RIGHT|FL_ALIGN_INSIDE));
					} // Fl_Box* o
					{
						Fl_Box* o = new Fl_Box(352, 141, 30, 40, "3");
						o->box(FL_BORDER_BOX);
						o->color(FL_BACKGROUND2_COLOR);
						o->labelsize(11);
						o->align(Fl_Align(FL_ALIGN_BOTTOM_RIGHT|FL_ALIGN_INSIDE));
					} // Fl_Box* o
					{
						Fl_Box* o = new Fl_Box(337, 136, 30, 40, "2");
						o->box(FL_BORDER_BOX);
						o->color(FL_BACKGROUND2_COLOR);
						o->labelsize(11);
						o->align(Fl_Align(FL_ALIGN_BOTTOM_RIGHT|FL_ALIGN_INSIDE));
					} // Fl_Box* o
					{
						Fl_Box* o = new Fl_Box(322, 131, 30, 40, "1");
						o->box(FL_BORDER_BOX);
						o->color(FL_BACKGROUND2_COLOR);
						o->labelsize(11);
						o->align(Fl_Align(FL_ALIGN_BOTTOM_RIGHT|FL_ALIGN_INSIDE));
					} // Fl_Box* o
					{
						Fl_Box* o = new Fl_Box(417, 141, 30, 40, "3");
						o->box(FL_BORDER_BOX);
						o->color(FL_BACKGROUND2_COLOR);
						o->labelsize(11);
						o->align(Fl_Align(FL_ALIGN_BOTTOM_RIGHT|FL_ALIGN_INSIDE));
					} // Fl_Box* o
					{
						Fl_Box* o = new Fl_Box(402, 136, 30, 40, "2");
						o->box(FL_BORDER_BOX);
						o->color(FL_BACKGROUND2_COLOR);
						o->labelsize(11);
						o->align(Fl_Align(FL_ALIGN_BOTTOM_RIGHT|FL_ALIGN_INSIDE));
					} // Fl_Box* o
					{
						Fl_Box* o = new Fl_Box(387, 131, 30, 40, "1");
						o->box(FL_BORDER_BOX);
						o->color(FL_BACKGROUND2_COLOR);
						o->labelsize(11);
						o->align(Fl_Align(FL_ALIGN_BOTTOM_RIGHT|FL_ALIGN_INSIDE));
					} // Fl_Box* o
					print_collate_group[1]->end();
				} // Fl_Group* print_collate_group[1]
				o->end();
			} // Fl_Group* o
			{
				Fl_Return_Button* o = new Fl_Return_Button(279, 201, 100, 25, Fl_Printer::dialog_print_button);
				o->callback((Fl_Callback*)print_cb);
			} // Fl_Return_Button* o
			{
				Fl_Button* o = new Fl_Button(389, 201, 68, 25, Fl_Printer::dialog_cancel_button);
				o->callback((Fl_Callback*)cb_Cancel);
			} // Fl_Button* o
			print_panel_controls->end();
		} // Fl_Group* print_panel_controls
		{
			print_progress = new Fl_Progress(10, 203, 289, 21);
			print_progress->selection_color((Fl_Color)4);
			print_progress->hide();
		} // Fl_Progress* print_progress
		print_panel->set_modal();
		print_panel->end();
	} // Fl_Double_Window* print_panel
	{
		print_properties_panel = new Fl_Double_Window(290, 130, Fl_Printer::property_title);
		print_properties_panel->callback((Fl_Callback*)cb_print_properties_panel);
		{
			print_page_size = new Fl_Choice(150, 10, 80, 25, Fl_Printer::property_pagesize);
			print_page_size->down_box(FL_BORDER_BOX);
			print_page_size->labelfont(FL_HELVETICA);
			print_page_size->menu(menu_print_page_size);
		} // Fl_Choice* print_page_size
		{
			Fl_Group* o = new Fl_Group(110, 45, 170, 40, Fl_Printer::property_mode);
			o->labelfont(FL_HELVETICA);
			o->align(Fl_Align(FL_ALIGN_LEFT));
			{
				print_output_mode[0] = new Fl_Button(110, 45, 30, 40);
				print_output_mode[0]->type(102);
				print_output_mode[0]->box(FL_BORDER_BOX);
				print_output_mode[0]->down_box(FL_BORDER_BOX);
				print_output_mode[0]->value(1);
				print_output_mode[0]->color(FL_BACKGROUND2_COLOR);
				print_output_mode[0]->selection_color(FL_FOREGROUND_COLOR);
				print_output_mode[0]->image(image_print_color);
			} // Fl_Button* print_output_mode[0]
			{
				print_output_mode[1] = new Fl_Button(150, 50, 40, 30);
				print_output_mode[1]->type(102);
				print_output_mode[1]->box(FL_BORDER_BOX);
				print_output_mode[1]->down_box(FL_BORDER_BOX);
				print_output_mode[1]->color(FL_BACKGROUND2_COLOR);
				print_output_mode[1]->selection_color(FL_FOREGROUND_COLOR);
				print_output_mode[1]->image(image_print_color);
			} // Fl_Button* print_output_mode[1]
			{
				print_output_mode[2] = new Fl_Button(200, 45, 30, 40);
				print_output_mode[2]->type(102);
				print_output_mode[2]->box(FL_BORDER_BOX);
				print_output_mode[2]->down_box(FL_BORDER_BOX);
				print_output_mode[2]->color(FL_BACKGROUND2_COLOR);
				print_output_mode[2]->selection_color(FL_FOREGROUND_COLOR);
				print_output_mode[2]->image(image_print_gray);
			} // Fl_Button* print_output_mode[2]
			{
				print_output_mode[3] = new Fl_Button(240, 50, 40, 30);
				print_output_mode[3]->type(102);
				print_output_mode[3]->box(FL_BORDER_BOX);
				print_output_mode[3]->down_box(FL_BORDER_BOX);
				print_output_mode[3]->color(FL_BACKGROUND2_COLOR);
				print_output_mode[3]->selection_color(FL_FOREGROUND_COLOR);
				print_output_mode[3]->image(image_print_gray);
			} // Fl_Button* print_output_mode[3]
			o->end();
		} // Fl_Group* o
		{
			Fl_Return_Button* o = new Fl_Return_Button(93, 95, 99, 25, Fl_Printer::property_save);
			o->callback((Fl_Callback*)cb_Save);
		} // Fl_Return_Button* o
		{
			Fl_Button* o = new Fl_Button(202, 95, 78, 25, Fl_Printer::property_cancel);
			o->callback((Fl_Callback*)cb_Cancel1);
		} // Fl_Button* o
		{
			Fl_Button* o = new Fl_Button(10, 95, 73, 25, Fl_Printer::property_use);
			o->callback((Fl_Callback*)cb_Use);
		} // Fl_Button* o
		print_properties_panel->set_modal();
		print_properties_panel->end();
	} // Fl_Double_Window* print_properties_panel
	return print_properties_panel;
}

void print_cb(Fl_Return_Button *, void *)
{
	print_start = 1;
	print_panel->hide();
}

printing_style print_load()   // return whether SystemV or BSD printing style is used
{
	FILE *lpstat;
	char line[1024], name[1024], *nptr, qname[2048], *qptr, defname[1024], *p;
	int i;
	printing_style style = SystemV;

	if (print_choice->size() > 1) {
		for (i = 1; print_choice->text(i); i ++) {
			free(print_choice->menu()[i].user_data());
		}
	}

	print_choice->clear();
	print_choice->add(Fl_Printer::dialog_print_to_file, 0, 0, 0, FL_MENU_DIVIDER);
	print_choice->value(0);

	print_start = 0;

	defname[0] = '\0';
// get names of all printers and of default one
	if ((lpstat = popen("LC_MESSAGES=C LANG=C /bin/sh -c '(lpstat -p -d ) 2>&-'", "r")) != NULL) { // try first with SystemV printing system
		while (fgets(line, sizeof(line), lpstat)) {
			if (!strncmp(line, "printer ", 8) &&
			    sscanf(line + 8, "%s", name) == 1) {
				for (nptr = name, qptr = qname; *nptr; *qptr++ = *nptr++) {
					if (*nptr == '/') *qptr++ = '\\';
				}
				*qptr = '\0';

				print_choice->add(qname, 0, 0, (void *)strdup(name), 0);
			} else if (!strncmp(line, "system default destination: ", 28)) {
				if (sscanf(line + 28, "%s", defname) != 1) defname[0] = '\0';
			}
		}
		pclose(lpstat);
	}
	fclose(stderr);

	if (print_choice->size() == 2 && (lpstat = fopen("/etc/printcap", "r"))) { // try next with BSD printing system
		while (fgets(line, sizeof(line),lpstat)) { // get names of all known printers
			if (*line == '#' || (p = strchr(line, '|')) == NULL) continue;
			*p = 0;
			print_choice->add(line, 0, 0, (void *)strdup(line), 0);
			style = BSD;
			*p = '|';
			while (1) {
				p = line + strlen(line) - 1;
				if (*p == '\n' && p > line) p--;
				if (*p != '\\') break;
				if (fgets(line, sizeof(line),lpstat)==0) {
					/* ignore */
				}
			}
		}
		fclose(lpstat);
		p = getenv("PRINTER"); // get name of default printer
		if (p == NULL) p = (char*)"lp";
		strcpy(defname, p);
	}

	if (print_choice->size() > 2) print_choice->value(1);
	if (defname[0]) { // select default printer in menu
		for (i = 1; print_choice->text(i); i ++) {
			if (!strcmp((char *)print_choice->menu()[i].user_data(), defname)) {
				print_choice->value(i);
				break;
			}
		}
	}

	print_update_status();
	return style;
} // print_load()

void print_update_status()
{
	FILE *lpstat;
	char command[1024];
	static char status[1024];
	const char *printer = (const char *)print_choice->menu()[print_choice->value()].user_data();

	status[0] = 0;
	if (print_choice->value()) {
		strcpy(status, "printer status unavailable");
		snprintf(command, sizeof(command), "/bin/sh -c \"(lpstat -p '%s' ) 2>&-\" ", printer); // try first with SystemV printing system
		if ((lpstat = popen(command, "r")) !=  NULL) {
			if (fgets(status, sizeof(status), lpstat) == 0) { // if no reply
				pclose(lpstat);
				snprintf(command, sizeof(command), "lpq -P%s", printer); // try next with BSD printing system
				if ((lpstat = popen(command, "r")) !=  NULL) {
					if (fgets(status, sizeof(status), lpstat)==0) {
						/* ignore */
					}
				}
			}
			pclose(lpstat);
		}
	}
	print_status->label(status);

	char name[1024];
	int val;

	snprintf(name, sizeof(name), "%s/page_size", printer == NULL ? "" : printer);
	print_prefs.get(name, val, 1);
	print_page_size->value(val);

	snprintf(name, sizeof(name), "%s/output_mode", printer == NULL ? "" : printer);
	print_prefs.get(name, val, 0);
	print_output_mode[val]->setonly();
}

//
// End of "$Id: print_panel.cxx 9158 2011-10-29 14:50:04Z manolo $".
//
